B3311331313231311331322331333132322331323231333133313331311213221   >>    B331133131323131133132233133313232233132323133313331333131121322   <<    B3311331313231311331322331333132322331323231333133313331311213223   >>      B3311331313231311331322331333132322331323231333133313331311213222   >>